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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Influence of notches under cyclic high-frequency fatigue loading
 Kozáková, Kamila ; Ševeček, Oldřich (referee) ; Klusák, Jan (advisor)
The diploma thesis deals with the evaluation of the lifetimes of smooth and notched specimens. The comparison of their lifetimes is focused on the case of high-frequency cyclic loading in the area of high-cycle and gigacycle fatigue of materials. The theory of critical distances is used to evaluate and recalculate the life curves of the notched specimens. The effect of the notch is quantified using the Line method. The critical length parameter is determined so that the life curve of the notched specimens corresponds to the curve measured on smooth specimens. The result is the dependence of the critical length parameter on the number of cycles to fracture. Knowledge of critical length parameters can be used to determine the lifetime of notched specimens as well as real notched components using the results of fatigue tests of smooth specimens.
Detailed record
Detection of the border between North and South Europe by using mental maps
 ŠTEMBERK, Martin
The bachelor thesis deals with the detection of the borders of North and South Europe by using mental maps. The whole elaboration was created with the participation of nine European countries, which represent Central, Western and Eastern Europe. Altogether, the research involves more than 300 respondents who visit European universities in selected countries. Various display variants, such as line or polygon, were later used to work with mental maps. The work also deals with the centre of Europe and the dominant elements of creating mental maps. The data were processed via ArcGis Pro. The work aims to analyze the results, compare the individual lines and create the borders of North and South Europe. Finally, it responds to the results that are delived from the practical part of the work.
Detailed record
Influence of notches under cyclic high-frequency fatigue loading
 Kozáková, Kamila ; Ševeček, Oldřich (referee) ; Klusák, Jan (advisor)
The diploma thesis deals with the evaluation of the lifetimes of smooth and notched specimens. The comparison of their lifetimes is focused on the case of high-frequency cyclic loading in the area of high-cycle and gigacycle fatigue of materials. The theory of critical distances is used to evaluate and recalculate the life curves of the notched specimens. The effect of the notch is quantified using the Line method. The critical length parameter is determined so that the life curve of the notched specimens corresponds to the curve measured on smooth specimens. The result is the dependence of the critical length parameter on the number of cycles to fracture. Knowledge of critical length parameters can be used to determine the lifetime of notched specimens as well as real notched components using the results of fatigue tests of smooth specimens.
Detailed record

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